dithering

A process in which software or an output device simulates continuous tones with groups of dots.

dpi

Short for dots per inch. A unit of measurement for resolution. The higher the value, the higher the resolution.

gamma correction

A method of adjusting the transfer curve so that the reproduction results on different types of output devices have gradations similar to the original image.

A data processing method of converting continuous tones into digital data so that the output data simulates the tones.

interface

A piece of hardware, a method, or a standard used for connection between or among computer devices.

jumper

A small device that connects two pins on an option card used to activate a particular function.

path

The directory name(s) you specify to locate a file. For example, the path for the TWAIN directory in Windows may be C:\WINDOWS\TWAIN or D:\WINDOWS\TWAIN.

2 Glossary